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cli.zig
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const bun = @import("root").bun;
const string = bun.string;
const Output = bun.Output;
const Global = bun.Global;
const Environment = bun.Environment;
const strings = bun.strings;
const MutableString = bun.MutableString;
const stringZ = bun.stringZ;
const default_allocator = bun.default_allocator;
const FeatureFlags = bun.FeatureFlags;
const C = bun.C;
const root = @import("root");
const std = @import("std");
const lex = bun.js_lexer;
const logger = bun.logger;
const options = @import("options.zig");
const js_parser = bun.js_parser;
const json_parser = bun.JSON;
const js_printer = bun.js_printer;
const js_ast = bun.JSAst;
const linker = @import("linker.zig");
const RegularExpression = bun.RegularExpression;
const builtin = @import("builtin");
const debug = Output.scoped(.CLI, true);
const sync = @import("./sync.zig");
const Api = @import("api/schema.zig").Api;
const resolve_path = @import("./resolver/resolve_path.zig");
const configureTransformOptionsForBun = @import("./bun.js/config.zig").configureTransformOptionsForBun;
const clap = bun.clap;
const BunJS = @import("./bun_js.zig");
const Install = @import("./install/install.zig");
const bundler = bun.bundler;
const DotEnv = @import("./env_loader.zig");
const RunCommand_ = @import("./cli/run_command.zig").RunCommand;
const CreateCommand_ = @import("./cli/create_command.zig").CreateCommand;
const FilterRun = @import("./cli/filter_run.zig");
const fs = @import("fs.zig");
const Router = @import("./router.zig");
const MacroMap = @import("./resolver/package_json.zig").MacroMap;
const TestCommand = @import("./cli/test_command.zig").TestCommand;
pub var start_time: i128 = undefined;
const Bunfig = @import("./bunfig.zig").Bunfig;
const OOM = bun.OOM;
pub const Cli = struct {
pub const CompileTarget = @import("./compile_target.zig");
var wait_group: sync.WaitGroup = undefined;
pub var log_: logger.Log = undefined;
pub fn startTransform(_: std.mem.Allocator, _: Api.TransformOptions, _: *logger.Log) anyerror!void {}
pub fn start(allocator: std.mem.Allocator) void {
is_main_thread = true;
start_time = std.time.nanoTimestamp();
log_ = logger.Log.init(allocator);
var log = &log_;
// var panicker = MainPanicHandler.init(log);
// MainPanicHandler.Singleton = &panicker;
Command.start(allocator, log) catch |err| {
log.print(Output.errorWriter()) catch {};
bun.crash_handler.handleRootError(err, @errorReturnTrace());
};
}
pub var cmd: ?Command.Tag = null;
pub threadlocal var is_main_thread: bool = false;
};
pub const debug_flags = if (Environment.isDebug) struct {
var resolve_breakpoints: []const []const u8 = &.{};
var print_breakpoints: []const []const u8 = &.{};
pub fn hasResolveBreakpoint(str: []const u8) bool {
for (resolve_breakpoints) |bp| {
if (strings.contains(str, bp)) {
return true;
}
}
return false;
}
pub fn hasPrintBreakpoint(path: fs.Path) bool {
for (print_breakpoints) |bp| {
if (strings.contains(path.pretty, bp)) {
return true;
}
if (strings.contains(path.text, bp)) {
return true;
}
}
return false;
}
} else @compileError("Do not access this namespace in a release build");
const LoaderMatcher = strings.ExactSizeMatcher(4);
const ColonListType = @import("./cli/colon_list_type.zig").ColonListType;
pub const LoaderColonList = ColonListType(Api.Loader, Arguments.loader_resolver);
pub const DefineColonList = ColonListType(string, Arguments.noop_resolver);
fn invalidTarget(diag: *clap.Diagnostic, _target: []const u8) noreturn {
@setCold(true);
diag.name.long = "target";
diag.arg = _target;
diag.report(Output.errorWriter(), error.InvalidTarget) catch {};
std.process.exit(1);
}
pub const BuildCommand = @import("./cli/build_command.zig").BuildCommand;
pub const AddCommand = @import("./cli/add_command.zig").AddCommand;
pub const CreateCommand = @import("./cli/create_command.zig").CreateCommand;
pub const CreateCommandExample = @import("./cli/create_command.zig").Example;
pub const CreateListExamplesCommand = @import("./cli/create_command.zig").CreateListExamplesCommand;
pub const DiscordCommand = @import("./cli/discord_command.zig").DiscordCommand;
pub const InstallCommand = @import("./cli/install_command.zig").InstallCommand;
pub const LinkCommand = @import("./cli/link_command.zig").LinkCommand;
pub const UnlinkCommand = @import("./cli/unlink_command.zig").UnlinkCommand;
pub const InstallCompletionsCommand = @import("./cli/install_completions_command.zig").InstallCompletionsCommand;
pub const PackageManagerCommand = @import("./cli/package_manager_command.zig").PackageManagerCommand;
pub const RemoveCommand = @import("./cli/remove_command.zig").RemoveCommand;
pub const RunCommand = @import("./cli/run_command.zig").RunCommand;
pub const ShellCompletions = @import("./cli/shell_completions.zig");
pub const UpdateCommand = @import("./cli/update_command.zig").UpdateCommand;
pub const UpgradeCommand = @import("./cli/upgrade_command.zig").UpgradeCommand;
pub const BunxCommand = @import("./cli/bunx_command.zig").BunxCommand;
pub const ExecCommand = @import("./cli/exec_command.zig").ExecCommand;
pub const PatchCommand = @import("./cli/patch_command.zig").PatchCommand;
pub const PatchCommitCommand = @import("./cli/patch_commit_command.zig").PatchCommitCommand;
pub const OutdatedCommand = @import("./cli/outdated_command.zig").OutdatedCommand;
pub const PublishCommand = @import("./cli/publish_command.zig").PublishCommand;
pub const PackCommand = @import("./cli/pack_command.zig").PackCommand;
pub const InitCommand = @import("./cli/init_command.zig").InitCommand;
pub const Arguments = struct {
pub fn loader_resolver(in: string) !Api.Loader {
const option_loader = options.Loader.fromString(in) orelse return error.InvalidLoader;
return option_loader.toAPI();
}
pub fn noop_resolver(in: string) !string {
return in;
}
pub fn fileReadError(err: anyerror, stderr: anytype, filename: string, kind: string) noreturn {
stderr.writer().print("Error reading file \"{s}\" for {s}: {s}", .{ filename, kind, @errorName(err) }) catch {};
std.process.exit(1);
}
pub fn readFile(
allocator: std.mem.Allocator,
cwd: string,
filename: string,
) ![]u8 {
var paths = [_]string{ cwd, filename };
const outpath = try std.fs.path.resolve(allocator, &paths);
defer allocator.free(outpath);
var file = try bun.openFileZ(&try std.posix.toPosixPath(outpath), std.fs.File.OpenFlags{ .mode = .read_only });
defer file.close();
const size = try file.getEndPos();
return try file.readToEndAlloc(allocator, size);
}
pub fn resolve_jsx_runtime(str: string) !Api.JsxRuntime {
if (strings.eqlComptime(str, "automatic")) {
return Api.JsxRuntime.automatic;
} else if (strings.eqlComptime(str, "fallback") or strings.eqlComptime(str, "classic")) {
return Api.JsxRuntime.classic;
} else if (strings.eqlComptime(str, "solid")) {
return Api.JsxRuntime.solid;
} else {
return error.InvalidJSXRuntime;
}
}
pub const ParamType = clap.Param(clap.Help);
const base_params_ = (if (Environment.isDebug) debug_params else [_]ParamType{}) ++ [_]ParamType{
clap.parseParam("--env-file <STR>... Load environment variables from the specified file(s)") catch unreachable,
clap.parseParam("--cwd <STR> Absolute path to resolve files & entry points from. This just changes the process' cwd.") catch unreachable,
clap.parseParam("-c, --config <PATH>? Specify path to Bun config file. Default <d>$cwd<r>/bunfig.toml") catch unreachable,
clap.parseParam("-h, --help Display this menu and exit") catch unreachable,
} ++ (if (builtin.have_error_return_tracing) [_]ParamType{
// This will print more error return traces, as a debug aid
clap.parseParam("--verbose-error-trace Dump error return traces") catch unreachable,
} else [_]ParamType{}) ++ [_]ParamType{
clap.parseParam("<POS>...") catch unreachable,
};
const debug_params = [_]ParamType{
clap.parseParam("--breakpoint-resolve <STR>... DEBUG MODE: breakpoint when resolving something that includes this string") catch unreachable,
clap.parseParam("--breakpoint-print <STR>... DEBUG MODE: breakpoint when printing something that includes this string") catch unreachable,
};
const transpiler_params_ = [_]ParamType{
clap.parseParam("--main-fields <STR>... Main fields to lookup in package.json. Defaults to --target dependent") catch unreachable,
clap.parseParam("--extension-order <STR>... Defaults to: .tsx,.ts,.jsx,.js,.json ") catch unreachable,
clap.parseParam("--tsconfig-override <STR> Specify custom tsconfig.json. Default <d>$cwd<r>/tsconfig.json") catch unreachable,
clap.parseParam("-d, --define <STR>... Substitute K:V while parsing, e.g. --define process.env.NODE_ENV:\"development\". Values are parsed as JSON.") catch unreachable,
clap.parseParam("--drop <STR>... Remove function calls, e.g. --drop=console removes all console.* calls.") catch unreachable,
clap.parseParam("-l, --loader <STR>... Parse files with .ext:loader, e.g. --loader .js:jsx. Valid loaders: js, jsx, ts, tsx, json, toml, text, file, wasm, napi") catch unreachable,
clap.parseParam("--no-macros Disable macros from being executed in the bundler, transpiler and runtime") catch unreachable,
clap.parseParam("--jsx-factory <STR> Changes the function called when compiling JSX elements using the classic JSX runtime") catch unreachable,
clap.parseParam("--jsx-fragment <STR> Changes the function called when compiling JSX fragments") catch unreachable,
clap.parseParam("--jsx-import-source <STR> Declares the module specifier to be used for importing the jsx and jsxs factory functions. Default: \"react\"") catch unreachable,
clap.parseParam("--jsx-runtime <STR> \"automatic\" (default) or \"classic\"") catch unreachable,
clap.parseParam("--ignore-dce-annotations Ignore tree-shaking annotations such as @__PURE__") catch unreachable,
};
const runtime_params_ = [_]ParamType{
clap.parseParam("--watch Automatically restart the process on file change") catch unreachable,
clap.parseParam("--hot Enable auto reload in the Bun runtime, test runner, or bundler") catch unreachable,
clap.parseParam("--no-clear-screen Disable clearing the terminal screen on reload when --hot or --watch is enabled") catch unreachable,
clap.parseParam("--smol Use less memory, but run garbage collection more often") catch unreachable,
clap.parseParam("-r, --preload <STR>... Import a module before other modules are loaded") catch unreachable,
clap.parseParam("--inspect <STR>? Activate Bun's debugger") catch unreachable,
clap.parseParam("--inspect-wait <STR>? Activate Bun's debugger, wait for a connection before executing") catch unreachable,
clap.parseParam("--inspect-brk <STR>? Activate Bun's debugger, set breakpoint on first line of code and wait") catch unreachable,
clap.parseParam("--if-present Exit without an error if the entrypoint does not exist") catch unreachable,
clap.parseParam("--no-install Disable auto install in the Bun runtime") catch unreachable,
clap.parseParam("--install <STR> Configure auto-install behavior. One of \"auto\" (default, auto-installs when no node_modules), \"fallback\" (missing packages only), \"force\" (always).") catch unreachable,
clap.parseParam("-i Auto-install dependencies during execution. Equivalent to --install=fallback.") catch unreachable,
clap.parseParam("-e, --eval <STR> Evaluate argument as a script") catch unreachable,
clap.parseParam("--print <STR> Evaluate argument as a script and print the result") catch unreachable,
clap.parseParam("--prefer-offline Skip staleness checks for packages in the Bun runtime and resolve from disk") catch unreachable,
clap.parseParam("--prefer-latest Use the latest matching versions of packages in the Bun runtime, always checking npm") catch unreachable,
clap.parseParam("-p, --port <STR> Set the default port for Bun.serve") catch unreachable,
clap.parseParam("-u, --origin <STR>") catch unreachable,
clap.parseParam("--conditions <STR>... Pass custom conditions to resolve") catch unreachable,
clap.parseParam("--fetch-preconnect <STR>... Preconnect to a URL while code is loading") catch unreachable,
clap.parseParam("--max-http-header-size <INT> Set the maximum size of HTTP headers in bytes. Default is 16KiB") catch unreachable,
};
const auto_or_run_params = [_]ParamType{
clap.parseParam("--filter <STR>... Run a script in all workspace packages matching the pattern") catch unreachable,
clap.parseParam("-b, --bun Force a script or package to use Bun's runtime instead of Node.js (via symlinking node)") catch unreachable,
clap.parseParam("--shell <STR> Control the shell used for package.json scripts. Supports either 'bun' or 'system'") catch unreachable,
};
const auto_only_params = [_]ParamType{
// clap.parseParam("--all") catch unreachable,
clap.parseParam("--silent Don't print the script command") catch unreachable,
clap.parseParam("-v, --version Print version and exit") catch unreachable,
clap.parseParam("--revision Print version with revision and exit") catch unreachable,
} ++ auto_or_run_params;
pub const auto_params = auto_only_params ++ runtime_params_ ++ transpiler_params_ ++ base_params_;
const run_only_params = [_]ParamType{
clap.parseParam("--silent Don't print the script command") catch unreachable,
} ++ auto_or_run_params;
pub const run_params = run_only_params ++ runtime_params_ ++ transpiler_params_ ++ base_params_;
const bunx_commands = [_]ParamType{
clap.parseParam("-b, --bun Force a script or package to use Bun's runtime instead of Node.js (via symlinking node)") catch unreachable,
} ++ auto_only_params;
const build_only_params = [_]ParamType{
clap.parseParam("--compile Generate a standalone Bun executable containing your bundled code") catch unreachable,
clap.parseParam("--bytecode Use a bytecode cache") catch unreachable,
clap.parseParam("--watch Automatically restart the process on file change") catch unreachable,
clap.parseParam("--no-clear-screen Disable clearing the terminal screen on reload when --watch is enabled") catch unreachable,
clap.parseParam("--target <STR> The intended execution environment for the bundle. \"browser\", \"bun\" or \"node\"") catch unreachable,
clap.parseParam("--outdir <STR> Default to \"dist\" if multiple files") catch unreachable,
clap.parseParam("--outfile <STR> Write to a file") catch unreachable,
clap.parseParam("--sourcemap <STR>? Build with sourcemaps - 'linked', 'inline', 'external', or 'none'") catch unreachable,
clap.parseParam("--banner <STR> Add a banner to the bundled output such as \"use client\"; for a bundle being used with RSCs") catch unreachable,
clap.parseParam("--footer <STR> Add a footer to the bundled output such as // built with bun!") catch unreachable,
clap.parseParam("--format <STR> Specifies the module format to build to. Only \"esm\" is supported.") catch unreachable,
clap.parseParam("--root <STR> Root directory used for multiple entry points") catch unreachable,
clap.parseParam("--splitting Enable code splitting") catch unreachable,
clap.parseParam("--public-path <STR> A prefix to be appended to any import paths in bundled code") catch unreachable,
clap.parseParam("-e, --external <STR>... Exclude module from transpilation (can use * wildcards). ex: -e react") catch unreachable,
clap.parseParam("--packages <STR> Add dependencies to bundle or keep them external. \"external\", \"bundle\" is supported. Defaults to \"bundle\".") catch unreachable,
clap.parseParam("--entry-naming <STR> Customize entry point filenames. Defaults to \"[dir]/[name].[ext]\"") catch unreachable,
clap.parseParam("--chunk-naming <STR> Customize chunk filenames. Defaults to \"[name]-[hash].[ext]\"") catch unreachable,
clap.parseParam("--asset-naming <STR> Customize asset filenames. Defaults to \"[name]-[hash].[ext]\"") catch unreachable,
clap.parseParam("--react-fast-refresh Enable React Fast Refresh transform (does not emit hot-module code, use this for testing)") catch unreachable,
clap.parseParam("--no-bundle Transpile file only, do not bundle") catch unreachable,
clap.parseParam("--emit-dce-annotations Re-emit DCE annotations in bundles. Enabled by default unless --minify-whitespace is passed.") catch unreachable,
clap.parseParam("--minify Enable all minification flags") catch unreachable,
clap.parseParam("--minify-syntax Minify syntax and inline data") catch unreachable,
clap.parseParam("--minify-whitespace Minify whitespace") catch unreachable,
clap.parseParam("--minify-identifiers Minify identifiers") catch unreachable,
clap.parseParam("--experimental-css Enabled experimental CSS bundling") catch unreachable,
clap.parseParam("--experimental-css-chunking Chunk CSS files together to reduce duplicated CSS loaded in a browser. Only has an affect when multiple entrypoints import CSS") catch unreachable,
clap.parseParam("--dump-environment-variables") catch unreachable,
clap.parseParam("--conditions <STR>... Pass custom conditions to resolve") catch unreachable,
clap.parseParam("--app (EXPERIMENTAL) Build a web app for production using Bun Bake.") catch unreachable,
clap.parseParam("--server-components (EXPERIMENTAL) Enable server components") catch unreachable,
} ++ if (FeatureFlags.bake_debugging_features) [_]ParamType{
clap.parseParam("--debug-dump-server-files When --app is set, dump all server files to disk even when building statically") catch unreachable,
} else .{};
pub const build_params = build_only_params ++ transpiler_params_ ++ base_params_;
// TODO: update test completions
const test_only_params = [_]ParamType{
clap.parseParam("--timeout <NUMBER> Set the per-test timeout in milliseconds, default is 5000.") catch unreachable,
clap.parseParam("-u, --update-snapshots Update snapshot files") catch unreachable,
clap.parseParam("--rerun-each <NUMBER> Re-run each test file <NUMBER> times, helps catch certain bugs") catch unreachable,
clap.parseParam("--only Only run tests that are marked with \"test.only()\"") catch unreachable,
clap.parseParam("--todo Include tests that are marked with \"test.todo()\"") catch unreachable,
clap.parseParam("--coverage Generate a coverage profile") catch unreachable,
clap.parseParam("--coverage-reporter <STR>... Report coverage in 'text' and/or 'lcov'. Defaults to 'text'.") catch unreachable,
clap.parseParam("--coverage-dir <STR> Directory for coverage files. Defaults to 'coverage'.") catch unreachable,
clap.parseParam("--bail <NUMBER>? Exit the test suite after <NUMBER> failures. If you do not specify a number, it defaults to 1.") catch unreachable,
clap.parseParam("-t, --test-name-pattern <STR> Run only tests with a name that matches the given regex.") catch unreachable,
clap.parseParam("--reporter <STR> Specify the test reporter. Currently --reporter=junit is the only supported format.") catch unreachable,
clap.parseParam("--reporter-outfile <STR> The output file used for the format from --reporter.") catch unreachable,
};
pub const test_params = test_only_params ++ runtime_params_ ++ transpiler_params_ ++ base_params_;
pub fn loadConfigPath(allocator: std.mem.Allocator, auto_loaded: bool, config_path: [:0]const u8, ctx: Command.Context, comptime cmd: Command.Tag) !void {
var config_file = switch (bun.sys.openA(config_path, bun.O.RDONLY, 0)) {
.result => |fd| fd.asFile(),
.err => |err| {
if (auto_loaded) return;
Output.prettyErrorln("{}\nwhile opening config \"{s}\"", .{
err,
config_path,
});
Global.exit(1);
},
};
defer config_file.close();
const contents = config_file.readToEndAlloc(allocator, std.math.maxInt(usize)) catch |err| {
if (auto_loaded) return;
Output.prettyErrorln("<r><red>error<r>: {s} reading config \"{s}\"", .{
@errorName(err),
config_path,
});
Global.exit(1);
};
js_ast.Stmt.Data.Store.create();
js_ast.Expr.Data.Store.create();
defer {
js_ast.Stmt.Data.Store.reset();
js_ast.Expr.Data.Store.reset();
}
const original_level = ctx.log.level;
defer {
ctx.log.level = original_level;
}
ctx.log.level = logger.Log.Level.warn;
try Bunfig.parse(allocator, logger.Source.initPathString(bun.asByteSlice(config_path), contents), ctx, cmd);
}
fn getHomeConfigPath(buf: *bun.PathBuffer) ?[:0]const u8 {
if (bun.getenvZ("XDG_CONFIG_HOME") orelse bun.getenvZ(bun.DotEnv.home_env)) |data_dir| {
var paths = [_]string{".bunfig.toml"};
return resolve_path.joinAbsStringBufZ(data_dir, buf, &paths, .auto);
}
return null;
}
pub fn loadConfig(allocator: std.mem.Allocator, user_config_path_: ?string, ctx: Command.Context, comptime cmd: Command.Tag) OOM!void {
var config_buf: bun.PathBuffer = undefined;
if (comptime cmd.readGlobalConfig()) {
if (!ctx.has_loaded_global_config) {
ctx.has_loaded_global_config = true;
if (getHomeConfigPath(&config_buf)) |path| {
loadConfigPath(allocator, true, path, ctx, comptime cmd) catch |err| {
if (ctx.log.hasAny()) {
ctx.log.print(Output.errorWriter()) catch {};
}
if (ctx.log.hasAny()) Output.printError("\n", .{});
Output.err(err, "failed to load bunfig", .{});
Global.crash();
};
}
}
}
var config_path_: []const u8 = user_config_path_ orelse "";
var auto_loaded: bool = false;
if (config_path_.len == 0 and (user_config_path_ != null or
Command.Tag.always_loads_config.get(cmd) or
(cmd == .AutoCommand and
// "bun"
(ctx.positionals.len == 0 or
// "bun file.js"
ctx.positionals.len > 0 and options.defaultLoaders.has(std.fs.path.extension(ctx.positionals[0]))))))
{
config_path_ = "bunfig.toml";
auto_loaded = true;
}
if (config_path_.len == 0) {
return;
}
defer ctx.debug.loaded_bunfig = true;
var config_path: [:0]u8 = undefined;
if (config_path_[0] == '/') {
@memcpy(config_buf[0..config_path_.len], config_path_);
config_buf[config_path_.len] = 0;
config_path = config_buf[0..config_path_.len :0];
} else {
if (ctx.args.absolute_working_dir == null) {
var secondbuf: bun.PathBuffer = undefined;
const cwd = bun.getcwd(&secondbuf) catch return;
ctx.args.absolute_working_dir = try allocator.dupe(u8, cwd);
}
var parts = [_]string{ ctx.args.absolute_working_dir.?, config_path_ };
config_path_ = resolve_path.joinAbsStringBuf(
ctx.args.absolute_working_dir.?,
&config_buf,
&parts,
.auto,
);
config_buf[config_path_.len] = 0;
config_path = config_buf[0..config_path_.len :0];
}
loadConfigPath(allocator, auto_loaded, config_path, ctx, comptime cmd) catch |err| {
if (ctx.log.hasAny()) {
ctx.log.print(Output.errorWriter()) catch {};
}
if (ctx.log.hasAny()) Output.printError("\n", .{});
Output.err(err, "failed to load bunfig", .{});
Global.crash();
};
}
pub fn loadConfigWithCmdArgs(
comptime cmd: Command.Tag,
allocator: std.mem.Allocator,
args: clap.Args(clap.Help, cmd.params()),
ctx: Command.Context,
) OOM!void {
return try loadConfig(allocator, args.option("--config"), ctx, comptime cmd);
}
pub fn parse(allocator: std.mem.Allocator, ctx: Command.Context, comptime cmd: Command.Tag) !Api.TransformOptions {
var diag = clap.Diagnostic{};
const params_to_parse = comptime cmd.params();
var args = clap.parse(clap.Help, params_to_parse, .{
.diagnostic = &diag,
.allocator = allocator,
.stop_after_positional_at = switch (cmd) {
.RunCommand => 2,
.AutoCommand, .RunAsNodeCommand => 1,
else => 0,
},
}) catch |err| {
// Report useful error and exit
diag.report(Output.errorWriter(), err) catch {};
cmd.printHelp(false);
Global.exit(1);
};
const print_help = args.flag("--help");
if (print_help) {
cmd.printHelp(true);
Output.flush();
Global.exit(0);
}
if (cmd == .AutoCommand) {
if (args.flag("--version")) {
printVersionAndExit();
}
if (args.flag("--revision")) {
printRevisionAndExit();
}
}
if (builtin.have_error_return_tracing) {
if (args.flag("--verbose-error-trace")) {
bun.crash_handler.verbose_error_trace = true;
}
}
var cwd: []u8 = undefined;
if (args.option("--cwd")) |cwd_arg| {
cwd = brk: {
var outbuf: bun.PathBuffer = undefined;
const out = bun.path.joinAbs(try bun.getcwd(&outbuf), .loose, cwd_arg);
bun.sys.chdir(out).unwrap() catch |err| {
Output.err(err, "Could not change directory to \"{s}\"\n", .{cwd_arg});
Global.exit(1);
};
break :brk try allocator.dupe(u8, out);
};
} else {
cwd = try bun.getcwdAlloc(allocator);
}
if (cmd == .RunCommand or cmd == .AutoCommand) {
ctx.filters = args.options("--filter");
}
if (cmd == .TestCommand) {
if (args.option("--timeout")) |timeout_ms| {
if (timeout_ms.len > 0) {
ctx.test_options.default_timeout_ms = std.fmt.parseInt(u32, timeout_ms, 10) catch {
Output.prettyErrorln("<r><red>error<r>: Invalid timeout: \"{s}\"", .{timeout_ms});
Global.exit(1);
};
}
}
if (!ctx.test_options.coverage.enabled) {
ctx.test_options.coverage.enabled = args.flag("--coverage");
}
if (args.options("--coverage-reporter").len > 0) {
ctx.test_options.coverage.reporters = .{ .text = false, .lcov = false };
for (args.options("--coverage-reporter")) |reporter| {
if (bun.strings.eqlComptime(reporter, "text")) {
ctx.test_options.coverage.reporters.text = true;
} else if (bun.strings.eqlComptime(reporter, "lcov")) {
ctx.test_options.coverage.reporters.lcov = true;
} else {
Output.prettyErrorln("<r><red>error<r>: --coverage-reporter received invalid reporter: \"{s}\"", .{reporter});
Global.exit(1);
}
}
}
if (args.option("--reporter-outfile")) |reporter_outfile| {
ctx.test_options.reporter_outfile = reporter_outfile;
}
if (args.option("--reporter")) |reporter| {
if (strings.eqlComptime(reporter, "junit")) {
if (ctx.test_options.reporter_outfile == null) {
Output.errGeneric("--reporter=junit expects an output file from --reporter-outfile", .{});
Global.crash();
}
ctx.test_options.file_reporter = .junit;
} else {
Output.errGeneric("unrecognized reporter format: '{s}'. Currently, only 'junit' is supported", .{reporter});
Global.crash();
}
}
if (args.option("--coverage-dir")) |dir| {
ctx.test_options.coverage.reports_directory = dir;
}
if (args.option("--bail")) |bail| {
if (bail.len > 0) {
ctx.test_options.bail = std.fmt.parseInt(u32, bail, 10) catch |e| {
Output.prettyErrorln("<r><red>error<r>: --bail expects a number: {s}", .{@errorName(e)});
Global.exit(1);
};
if (ctx.test_options.bail == 0) {
Output.prettyErrorln("<r><red>error<r>: --bail expects a number greater than 0", .{});
Global.exit(1);
}
} else {
ctx.test_options.bail = 1;
}
}
if (args.option("--rerun-each")) |repeat_count| {
if (repeat_count.len > 0) {
ctx.test_options.repeat_count = std.fmt.parseInt(u32, repeat_count, 10) catch |e| {
Output.prettyErrorln("<r><red>error<r>: --rerun-each expects a number: {s}", .{@errorName(e)});
Global.exit(1);
};
}
}
if (args.option("--test-name-pattern")) |namePattern| {
const regex = RegularExpression.init(bun.String.fromBytes(namePattern), RegularExpression.Flags.none) catch {
Output.prettyErrorln(
"<r><red>error<r>: --test-name-pattern expects a valid regular expression but received {}",
.{
bun.fmt.QuotedFormatter{
.text = namePattern,
},
},
);
Global.exit(1);
};
ctx.test_options.test_filter_regex = regex;
}
ctx.test_options.update_snapshots = args.flag("--update-snapshots");
ctx.test_options.run_todo = args.flag("--todo");
ctx.test_options.only = args.flag("--only");
}
ctx.args.absolute_working_dir = cwd;
ctx.positionals = args.positionals();
if (comptime Command.Tag.loads_config.get(cmd)) {
try loadConfigWithCmdArgs(cmd, allocator, args, ctx);
}
var opts: Api.TransformOptions = ctx.args;
const defines_tuple = try DefineColonList.resolve(allocator, args.options("--define"));
if (defines_tuple.keys.len > 0) {
opts.define = .{
.keys = defines_tuple.keys,
.values = defines_tuple.values,
};
}
opts.drop = args.options("--drop");
const loader_tuple = try LoaderColonList.resolve(allocator, args.options("--loader"));
if (loader_tuple.keys.len > 0) {
opts.loaders = .{
.extensions = loader_tuple.keys,
.loaders = loader_tuple.values,
};
}
opts.tsconfig_override = if (args.option("--tsconfig-override")) |ts|
(Arguments.readFile(allocator, cwd, ts) catch |err| fileReadError(err, Output.errorStream(), ts, "tsconfig.json"))
else
null;
opts.main_fields = args.options("--main-fields");
// we never actually supported inject.
// opts.inject = args.options("--inject");
opts.env_files = args.options("--env-file");
opts.extension_order = args.options("--extension-order");
ctx.passthrough = args.remaining();
if (cmd == .AutoCommand or cmd == .RunCommand or cmd == .BuildCommand or cmd == .TestCommand) {
if (args.options("--conditions").len > 0) {
opts.conditions = args.options("--conditions");
}
}
// runtime commands
if (cmd == .AutoCommand or cmd == .RunCommand or cmd == .TestCommand or cmd == .RunAsNodeCommand) {
const preloads = args.options("--preload");
if (args.flag("--hot")) {
ctx.debug.hot_reload = .hot;
if (args.flag("--no-clear-screen")) {
bun.DotEnv.Loader.has_no_clear_screen_cli_flag = true;
}
} else if (args.flag("--watch")) {
ctx.debug.hot_reload = .watch;
// Windows applies this to the watcher child process.
// The parent process is unable to re-launch itself
if (!bun.Environment.isWindows)
bun.auto_reload_on_crash = true;
if (args.flag("--no-clear-screen")) {
bun.DotEnv.Loader.has_no_clear_screen_cli_flag = true;
}
}
if (args.option("--origin")) |origin| {
opts.origin = origin;
}
if (args.option("--port")) |port_str| {
if (comptime cmd == .RunAsNodeCommand) {
// TODO: prevent `node --port <script>` from working
ctx.runtime_options.eval.script = port_str;
ctx.runtime_options.eval.eval_and_print = true;
} else {
opts.port = std.fmt.parseInt(u16, port_str, 10) catch {
Output.errFmt(
bun.fmt.outOfRange(port_str, .{
.field_name = "--port",
.min = 0,
.max = std.math.maxInt(u16),
}),
);
Output.note("To evaluate TypeScript here, use 'bun --print'", .{});
Global.exit(1);
};
}
}
if (args.option("--max-http-header-size")) |size_str| {
const size = std.fmt.parseInt(usize, size_str, 10) catch {
Output.errGeneric("Invalid value for --max-http-header-size: \"{s}\". Must be a positive integer\n", .{size_str});
Global.exit(1);
};
if (size == 0) {
bun.http.max_http_header_size = 1024 * 1024 * 1024;
} else {
bun.http.max_http_header_size = size;
}
}
ctx.debug.offline_mode_setting = if (args.flag("--prefer-offline"))
Bunfig.OfflineMode.offline
else if (args.flag("--prefer-latest"))
Bunfig.OfflineMode.latest
else
Bunfig.OfflineMode.online;
if (args.flag("--no-install")) {
ctx.debug.global_cache = .disable;
} else if (args.flag("-i")) {
ctx.debug.global_cache = .fallback;
} else if (args.option("--install")) |enum_value| {
// -i=auto --install=force, --install=disable
if (options.GlobalCache.Map.get(enum_value)) |result| {
ctx.debug.global_cache = result;
// -i, --install
} else if (enum_value.len == 0) {
ctx.debug.global_cache = options.GlobalCache.force;
} else {
Output.errGeneric("Invalid value for --install: \"{s}\". Must be either \"auto\", \"fallback\", \"force\", or \"disable\"\n", .{enum_value});
Global.exit(1);
}
}
if (ctx.preloads.len > 0 and preloads.len > 0) {
var all = std.ArrayList(string).initCapacity(ctx.allocator, ctx.preloads.len + preloads.len) catch unreachable;
all.appendSliceAssumeCapacity(ctx.preloads);
all.appendSliceAssumeCapacity(preloads);
ctx.preloads = all.items;
} else if (preloads.len > 0) {
ctx.preloads = preloads;
}
if (args.option("--print")) |script| {
ctx.runtime_options.eval.script = script;
ctx.runtime_options.eval.eval_and_print = true;
} else if (args.option("--eval")) |script| {
ctx.runtime_options.eval.script = script;
}
ctx.runtime_options.if_present = args.flag("--if-present");
ctx.runtime_options.smol = args.flag("--smol");
ctx.runtime_options.preconnect = args.options("--fetch-preconnect");
if (args.option("--inspect")) |inspect_flag| {
ctx.runtime_options.debugger = if (inspect_flag.len == 0)
Command.Debugger{ .enable = .{} }
else
Command.Debugger{ .enable = .{
.path_or_port = inspect_flag,
} };
bun.JSC.RuntimeTranspilerCache.is_disabled = true;
} else if (args.option("--inspect-wait")) |inspect_flag| {
ctx.runtime_options.debugger = if (inspect_flag.len == 0)
Command.Debugger{ .enable = .{
.wait_for_connection = true,
} }
else
Command.Debugger{ .enable = .{
.path_or_port = inspect_flag,
.wait_for_connection = true,
} };
bun.JSC.RuntimeTranspilerCache.is_disabled = true;
} else if (args.option("--inspect-brk")) |inspect_flag| {
ctx.runtime_options.debugger = if (inspect_flag.len == 0)
Command.Debugger{ .enable = .{
.wait_for_connection = true,
.set_breakpoint_on_first_line = true,
} }
else
Command.Debugger{ .enable = .{
.path_or_port = inspect_flag,
.wait_for_connection = true,
.set_breakpoint_on_first_line = true,
} };
bun.JSC.RuntimeTranspilerCache.is_disabled = true;
}
}
if (opts.port != null and opts.origin == null) {
opts.origin = try std.fmt.allocPrint(allocator, "http://localhost:{d}/", .{opts.port.?});
}
const output_dir: ?string = null;
const output_file: ?string = null;
ctx.bundler_options.ignore_dce_annotations = args.flag("--ignore-dce-annotations");
if (cmd == .BuildCommand) {
ctx.bundler_options.transform_only = args.flag("--no-bundle");
ctx.bundler_options.bytecode = args.flag("--bytecode");
if (args.flag("--app")) {
if (!bun.FeatureFlags.bake()) {
Output.errGeneric("To use the experimental \"--app\" option, upgrade to the canary build of bun via \"bun upgrade --canary\"", .{});
Global.crash();
}
ctx.bundler_options.bake = true;
ctx.bundler_options.bake_debug_dump_server = bun.FeatureFlags.bake_debugging_features and
args.flag("--debug-dump-server-files");
}
// TODO: support --format=esm
if (ctx.bundler_options.bytecode) {
ctx.bundler_options.output_format = .cjs;
ctx.args.target = .bun;
}
if (args.option("--public-path")) |public_path| {
ctx.bundler_options.public_path = public_path;
}
if (args.option("--banner")) |banner| {
ctx.bundler_options.banner = banner;
}
if (args.option("--footer")) |footer| {
ctx.bundler_options.footer = footer;
}
const experimental_css = args.flag("--experimental-css");
ctx.bundler_options.experimental_css = experimental_css;
ctx.bundler_options.css_chunking = args.flag("--experimental-css-chunking");
const minify_flag = args.flag("--minify");
ctx.bundler_options.minify_syntax = minify_flag or args.flag("--minify-syntax");
ctx.bundler_options.minify_whitespace = minify_flag or args.flag("--minify-whitespace");
ctx.bundler_options.minify_identifiers = minify_flag or args.flag("--minify-identifiers");
ctx.bundler_options.emit_dce_annotations = args.flag("--emit-dce-annotations") or
!ctx.bundler_options.minify_whitespace;
if (args.options("--external").len > 0) {
var externals = try allocator.alloc([]const u8, args.options("--external").len);
for (args.options("--external"), 0..) |external, i| {
externals[i] = external;
}
opts.external = externals;
}
if (args.option("--packages")) |packages| {
if (strings.eqlComptime(packages, "bundle")) {
opts.packages = .bundle;
} else if (strings.eqlComptime(packages, "external")) {
opts.packages = .external;
} else {
Output.prettyErrorln("<r><red>error<r>: Invalid packages setting: \"{s}\"", .{packages});
Global.crash();
}
}
const TargetMatcher = strings.ExactSizeMatcher(8);
if (args.option("--target")) |_target| brk: {
if (comptime cmd == .BuildCommand) {
if (args.flag("--compile")) {
if (_target.len > 4 and strings.hasPrefixComptime(_target, "bun-")) {
ctx.bundler_options.compile_target = Cli.CompileTarget.from(_target[3..]);
if (!ctx.bundler_options.compile_target.isSupported()) {
Output.errGeneric("Unsupported compile target: {}\n", .{ctx.bundler_options.compile_target});
Global.exit(1);
}
opts.target = .bun;
break :brk;
}
}
}
opts.target = opts.target orelse switch (TargetMatcher.match(_target)) {
TargetMatcher.case("browser") => Api.Target.browser,
TargetMatcher.case("node") => Api.Target.node,
TargetMatcher.case("macro") => if (cmd == .BuildCommand) Api.Target.bun_macro else Api.Target.bun,
TargetMatcher.case("bun") => Api.Target.bun,
else => invalidTarget(&diag, _target),
};
if (opts.target.? == .bun) {
ctx.debug.run_in_bun = opts.target.? == .bun;
} else {
if (ctx.bundler_options.bytecode) {
Output.errGeneric("target must be 'bun' when bytecode is true. Received: {s}", .{@tagName(opts.target.?)});
Global.exit(1);
}
if (ctx.bundler_options.bake) {
Output.errGeneric("target must be 'bun' when using --app. Received: {s}", .{@tagName(opts.target.?)});
}
}
}
if (args.flag("--watch")) {
ctx.debug.hot_reload = .watch;
bun.auto_reload_on_crash = true;
if (args.flag("--no-clear-screen")) {
bun.DotEnv.Loader.has_no_clear_screen_cli_flag = true;
}
}
if (args.flag("--compile")) {
ctx.bundler_options.compile = true;
ctx.bundler_options.inline_entrypoint_import_meta_main = true;
}
if (args.option("--outdir")) |outdir| {
if (outdir.len > 0) {
ctx.bundler_options.outdir = outdir;
}
} else if (args.option("--outfile")) |outfile| {
if (outfile.len > 0) {
ctx.bundler_options.outfile = outfile;
}
}
if (args.option("--root")) |root_dir| {
if (root_dir.len > 0) {
ctx.bundler_options.root_dir = root_dir;
}
}
if (args.option("--format")) |format_str| {
const format = options.Format.fromString(format_str) orelse {
Output.errGeneric("Invalid format - must be esm, cjs, or iife", .{});
Global.crash();
};
switch (format) {
.internal_bake_dev => {
bun.Output.warn("--format={s} is for debugging only, and may experience breaking changes at any moment", .{format_str});
bun.Output.flush();
},
.cjs => {
if (ctx.args.target == null) {
ctx.args.target = .node;
}
},
else => {},
}
ctx.bundler_options.output_format = format;
if (format != .cjs and ctx.bundler_options.bytecode) {
Output.errGeneric("format must be 'cjs' when bytecode is true. Eventually we'll add esm support as well.", .{});
Global.exit(1);
}
}
if (args.flag("--splitting")) {
ctx.bundler_options.code_splitting = true;
}
if (args.option("--entry-naming")) |entry_naming| {
ctx.bundler_options.entry_naming = try strings.concat(allocator, &.{ "./", bun.strings.removeLeadingDotSlash(entry_naming) });
}
if (args.option("--chunk-naming")) |chunk_naming| {
ctx.bundler_options.chunk_naming = try strings.concat(allocator, &.{ "./", bun.strings.removeLeadingDotSlash(chunk_naming) });
}
if (args.option("--asset-naming")) |asset_naming| {
ctx.bundler_options.asset_naming = try strings.concat(allocator, &.{ "./", bun.strings.removeLeadingDotSlash(asset_naming) });
}
if (args.flag("--server-components")) {
ctx.bundler_options.server_components = true;
if (opts.target) |target| {
if (!bun.options.Target.from(target).isServerSide()) {
bun.Output.errGeneric("Cannot use client-side --target={s} with --server-components", .{@tagName(target)});
Global.crash();
} else {
opts.target = .bun;
}
}
}
if (args.flag("--react-fast-refresh")) {
ctx.bundler_options.react_fast_refresh = true;
}
if (args.option("--sourcemap")) |setting| {
if (setting.len == 0) {
// In the future, Bun is going to make this default to .linked
opts.source_map = if (bun.FeatureFlags.breaking_changes_1_2)
.linked
else
.@"inline";
} else if (strings.eqlComptime(setting, "inline")) {
opts.source_map = .@"inline";
} else if (strings.eqlComptime(setting, "none")) {
opts.source_map = .none;
} else if (strings.eqlComptime(setting, "external")) {
opts.source_map = .external;
} else if (strings.eqlComptime(setting, "linked")) {
opts.source_map = .linked;
} else {
Output.prettyErrorln("<r><red>error<r>: Invalid sourcemap setting: \"{s}\"", .{setting});
Global.crash();
}
// when using --compile, only `external` works, as we do not
// look at the source map comment. so after we validate the
// user's choice was in the list, we secretly override it
if (ctx.bundler_options.compile) {